login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A301626 as a triangular array

0
00
111
4114
82028
951159
410424104
15955951
02810810820
11513131313511
4241020182010424
4249172525179424
511

A301626 as a square array

0014894101445
0112510521221
11014985441
421251013109
85458132017
910910131825
458132025
1251017
0149
124
42
4
0014894101445
0112510521221
11014985441
421251013109
85458132017
910910131825
458132025
1251017
0149
124
42
4